제출 #913551

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
913551	2024-01-20 08:20:22	Pqrsaw	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	252 ms	150936 KiB

joi2019_ho_t1

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#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast", "unroll-loops")
#define int long long 
const int maxn = 3e3 + 10, block = 320, mod = 1e9 + 7, inf = 2e9 + 10, lg = 22;
int n, m, o[maxn][maxn], ii[maxn][maxn], ans = 0;
char a[maxn][maxn];
void solve(){
  cin >> n >> m;
  for(int i = 1; i <= n; i++){
    for(int j = 1; j <= m; j++){
      cin >> a[i][j];
      if(a[i][j] == 'I'){
        ii[i][j]++;
      }
      else if(a[i][j] == 'O'){
        o[i][j]++;
      }
    }
  }
  for(int i = n; i >= 1; i--){
    for(int j = m; j >= 1; j--){
      ii[i][j] += ii[i + 1][j];
    }
  }
  for(int i = n; i >= 1; i--){
    for(int j = m; j >= 1; j--){
      o[i][j] += o[i][j + 1];
    }
  }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50